This isn't the first time Facebook has ripped off a competitor; Instagram famously lifted Stories from Snapchat in 2016.

Based on the demo shown at the F8 developer conference, Facebook Dating doesn't have a Tinder-like "hot or not" swiping feature for quickly sorting through potential matches.Mark Zuckerberg said at Facebook's F8 developer conference on Tuesday that the social network would soon roll out dating-app-like features.Zuckerberg said the dating-service features were designed to help Facebook users find long-term relationships, "not just hookups." Last month, Zuckerberg testified before Congress about recent data scandals — but the CEO assured the audience on Tuesday that new features had been designed "with privacy and safety in mind from the beginning." Mark Zuckerberg just announced that Facebook is joining the dating game, trying to help its users build perhaps "the most meaningful relationship of all." Zuckerberg made the announcement on Tuesday during his keynote speech at F8, Facebook's annual developer conference, where the executive team unveils what the company has been working on for the past year.The reality is tech companies have ripped off each other's interfaces for years, even if Facebook has a few recent, brazen examples.And legally, they're entitled to."I don't think any claim that Hinge could plausibly raise would stand much of a chance of being successful," says Evan Brown, a partner at the firm Much Shelist who specializes in technology and intellectual property law.